a:12:{i:0;s:7:"item_id";i:1;s:9:"item_name";i:2;s:16:"item_description";i:3;s:3:"uid";i:4;s:8:"username";i:5;s:8:"password";i:6;s:7:"addtime";i:7;s:16:"last_update_time";i:8;s:11:"item_domain";i:9;s:9:"item_type";s:3:"_pk";s:7:"item_id";s:5:"_type";a:10:{s:7:"item_id";s:7:"INTEGER";s:9:"item_name";s:4:"TEXT";s:16:"item_description";s:4:"TEXT";s:3:"uid";s:7:"INTEGER";s:8:"username";s:4:"TEXT";s:8:"password";s:4:"TEXT";s:7:"addtime";s:7:"INTEGER";s:16:"last_update_time";s:7:"INTEGER";s:11:"item_domain";s:4:"text";s:9:"item_type";s:8:"INT( 1 )";}}